diff --git a/.index b/.index
index 660380a..7619415 100644
--- a/.index
+++ b/.index
@@ -59,3 +59,4 @@ tagged_example.md
 20251227205301.md
 20251227205333.md
 20251227210419.bookmark.md
+20251227211858.bookmark.md
diff --git a/20251227211858.bookmark.md b/20251227211858.bookmark.md
new file mode 100644
index 0000000..d064581
--- /dev/null
+++ b/20251227211858.bookmark.md
@@ -0,0 +1,3 @@
+# (github.com)
+
+<https://github.com/xwmx/nb?tab=readme-ov-file#clip>